Northern Ireland (Belfast)
January
Weather in Northern Ireland for January 2026
Your guide to Northern Ireland weather in January - trends and predictions
With an average of 3 snowy days, Northern Ireland usually enjoys a light touch of snow in January.
In general, the average temperature in Northern Ireland at the beginning of January is 6.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7.7 °C by the end of January.
Northern Ireland in January brings notable rainfall, with an average of 19 rainy days and a total precipitation of 64.6 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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9
Dry days
19
Rainy days
3
Snow days
7°/2°
Temperatures
28 km/h
Avg max wind
86 %
Avg humidity
Northern Ireland Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | 2  5° | 3  8° | 4 7° | |||
| 5  6° | 6 6° | 7 6° | 8 5° | 9 4° | 10 7° | 11 6° |
| 12  7° | 13 8° | 14 8° | 15 6° | 16 5° | 17 5° | 18 6° |
| 19  5° | 20 8° | 21  8° | 22 8° | 23 9° | 24 9° | 25 8° |
| 26  7° | 27 6° | 28 9° | 29 8° | 30 7° | 31 9° |
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Temperatures trend during January in Northern Ireland
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Overcast | 8° /2° | 4.8 mm | 0 cm | |
| 2 Jan. | Patchy rain possible | 5° /1° | 0.9 mm | 0 cm | |
| 3 Jan. | Moderate or heavy rain shower | 8° /2° | 6 mm | 0 cm | |
| 4 Jan. | Patchy rain possible | 7° /3° | 0.6 mm | 0.1 cm | |
| 5 Jan. | Heavy rain at times | 6° /2° | 7.6 mm | 2.1 cm | |
| 6 Jan. | Patchy rain possible | 6° /2° | 2 mm | 0.4 cm | |
| 7 Jan. | Patchy rain possible | 6° /1° | 1.2 mm | 0 cm | |
| 8 Jan. | Moderate rain at times | 5° /1° | 0.2 mm | 0 cm | |
| 9 Jan. | Patchy rain possible | 4° /0° | 0.1 mm | 0 cm | |
| 10 Jan. | Patchy rain possible | 7° /0° | 5.5 mm | 0 cm | |
| 11 Jan. | Patchy rain possible | 6° /1° | 1.5 mm | 0 cm | |
| 12 Jan. | Mist | 7° /1° | 1.7 mm | 0 cm | |
| 13 Jan. | Overcast | 8° /3° | 1.4 mm | 0 cm | |
| 14 Jan. | Patchy rain possible | 8° /3° | 0.8 mm | 0 cm | |
| 15 Jan. | Patchy rain possible | 6° /1° | 2 mm | 0 cm | |
| 16 Jan. | Overcast | 5° /0° | 0.8 mm | 0.1 cm | |
| 17 Jan. | Patchy rain possible | 5° /0° | 0.3 mm | 0.2 cm | |
| 18 Jan. | Patchy rain possible | 6° /0° | 0.4 mm | 0.2 cm | |
| 19 Jan. | Cloudy | 5° /0° | 0 mm | 0 cm | |
| 20 Jan. | Patchy rain possible | 8° /2° | 1.5 mm | 0 cm | |
| 21 Jan. | Light drizzle | 8° /3° | 3.6 mm | 0 cm | |
| 22 Jan. | Patchy rain possible | 8° /3° | 1.3 mm | 0 cm | |
| 23 Jan. | Light rain | 9° /3° | 3.2 mm | 0 cm | |
| 24 Jan. | Patchy rain possible | 9° /3° | 4.7 mm | 0 cm | |
| 25 Jan. | Patchy rain possible | 8° /3° | 2.3 mm | 0 cm | |
| 26 Jan. | Partly cloudy | 7° /1° | 3.2 mm | 0 cm | |
| 27 Jan. | Overcast | 6° /2° | 1.8 mm | 0 cm | |
| 28 Jan. | Overcast | 9° /3° | 1.1 mm | 0 cm | |
| 29 Jan. | Patchy rain possible | 8° /2° | 0.8 mm | 0 cm | |
| 30 Jan. | Overcast | 7° /1° | 2 mm | 0 cm | |
| 31 Jan. | Overcast | 9° /2° | 1.8 mm | 0 cm | |
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Important Notice
Our weather forecast for Northern Ireland in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Northern Ireland forecast closer to your planned date for the most up-to-date weather information.
Northern Ireland in January - FAQ
What are the expected maximum and minimum temperatures in Northern Ireland during January?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 2°.
How much rainfall should be expected in Northern Ireland during January?
Moderate rainfall is anticipated in Northern Ireland during January, with a total of 64.6 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
Will it snow in Northern Ireland in January 2026?
Northern Ireland experiences an average snowfall of 0.78 cm during January, occurring over 3 days.
What are the typical wind conditions in Northern Ireland during January?
The average wind speed in Northern Ireland during January is 28 km/h, suggesting breezy to windy conditions, depending on your activities.
Northern Ireland snow forecast January 2026
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January rainfall patterns in Northern Ireland
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